Fetching details from the dictionary...

to put on (one's head); to wear; to have on; to pull over (one's head); to crown (oneself)
to be covered with (dust, snow, etc.); to pour (water, etc.) on oneself; to dash on oneself; to ship water
to bear (e.g. someone's debts, faults, etc.); to take (blame); to assume (responsibility); to shoulder (burden)
to overlap (e.g. sound or color)
to be similar; to be redundant
to be fogged (due to overexposure, etc.)
to close; to come to an end
to get a full house; to sell out
帽子をかぶっていこう。
Let's wear hats when we go.
かぶっている帽子がかわいいね。
The hat you're wearing is cute.
外に出るなら帽子をかぶった方がいいですよ。
If you're going out, you should wear a hat.